import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class test {
    public static void main(String[] args) {
        Integer i=127;
        List<Integer> list=new ArrayList();

        UUID uuid=UUID.randomUUID();
        String s = uuid.toString();
        String replace = s.replace("-", "");

        System.out.println(replace);

    }
}
